Abstract:
Aiming at the problems of single pricing and operation mode, unclear trading mechanism, and low utilization rate of large-scale energy storage, this paper proposed a robust pricing method of multi-package shared energy storage distribution based on master-slave game. First, three kinds of energy storage service packages are designed according to lease capacity, charge, and discharge amount, and service time, and a deterministic master-slave game model between independent power producers and shared energy storage service providers is established. The upper layer of the model takes into account the energy storage life loss cost, package service fee, day-to-day FM market income, and peak-valley arbitrage of energy storage to the power grid and takes the maximum profit of shared energy storage service providers as the objective function. The lower layer of the model, considering wind-fire bundling, online deviation penalty, power generation income, and energy storage package service fee, takes the maximum profit of independent power producers as the objective function. Second, considering the uncertainty of wind power, a distributed robust optimization model of independent power producers is established and substituted into the master-slave game pricing model in this paper. Finally, the results of an example show that reasonable pricing mechanisms and appropriate energy storage service packages are helpful for wind farms to reduce wind abandonment, track planned output, cope with the uncertainty of wind power output, and achieve mutual benefit and win-win for both parties in the game.